Flight passengers wait at the airport in Hamburg, northern Germany, on December 10, 2012. Airport security personnel in Germany staged warning strikes in a dispute over pay, bringing disruption to several German airports.

Flight passengers wait at the airport in Hamburg, northern Germany, on December 10,...Flight passengers wait at the airport in Hamburg, northern Germany, on December 10, 2012. Airport security personnel in Germany staged warning strikes in a dispute over pay, bringing disruption to several German airports.LessMore